Lead-acid batteries are a type of rechargeable battery that can be found in cars, motorcycles, and boats. The battery is made up of cells that use lead plates, an electrolyte fluid, and grids as the active components fo. Lead-acid battery explosions are a rare occurrence, but it is possible. Exploding batteries can be avoided by: 1. The batteries must be kept in a cool area with a moderate temper. If the battery explodes, you should douse the flames with a fire extinguisher. Once the fi. Yes, a leaking lead-acid battery is bad. Leaking batteries can either fill the area with corrosive gas or leak acid, which can cause the battery to short out and become really dangerous. The use of lead-acid batteries is increasing because they are a cheaper alternative to other types. However, if you want to keep your investment safe and avoid the risk of an explosion, yo.